Robotics
Quadruped robots, which walk on four legs, are increasingly used for tasks such as inspection, transportation and search-and-rescue operations. However, their repeated leg movements consume far more energy than the rolling ...
Jul 31, 2026
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39
Engineering
As the world's population grows and industry expands, many countries in Africa, the Middle East and Southeast Asia are facing a freshwater scarcity crisis. Finding sustainable ways to produce clean water has become an urgent ...
Jul 31, 2026
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8
Engineering
In a nondescript Idaho Falls warehouse, a nuclear nonproliferation researcher at Idaho National Laboratory (INL) picks up a small plastic bottle and pours tiny bits of rounded black glass across a worktable.
Jul 30, 2026
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16
Engineering
Lithium-ion batteries have revolutionized our lives since they first came onto the market in the early 1990s. They are now used in all sorts of devices, such as cellphones, laptops and electric vehicles.
Jul 30, 2026
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18
Engineering
Wireless charging is nothing new for our phones, watches, earbuds and other tech. Now, researchers want to bring wireless power to the skies—recharging drones in flight by beaming a laser under their wings.
Jul 29, 2026
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80
Engineering
Breathing clean air is essential for human health, making air filters indispensable in homes, hospitals, workplaces and industrial settings. However, despite decades of advances in filter materials and design, a major challenge ...
Jul 29, 2026
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16
Engineering
To keep drinks cold on a hot summer day, beverage cooler manufacturers rely on polyurethane foam, which is made from raw chemicals that are hazardous to handle before processing. To reduce health and environmental risks associated ...
Jul 29, 2026
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45
Engineering
Concrete ranks second among the most widely used materials on the planet and is regarded as highly versatile for climate-resistant infrastructure. However, the main ingredient of concrete is Portland cement, which is made ...
Jul 28, 2026
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60
Engineering
Bioengineers at the University of California San Diego integrated the olfactory receptor of an insect called a jumping bristletail into semiconductor chips made of graphene, creating an electronic nose capable of sniffing ...
Jul 28, 2026
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41
Engineering
When mountain tunnels are constructed in weak ground or under high ground pressure, the surrounding ground may deform significantly inward into the tunnel, a phenomenon known as squeezing ground. Under such conditions, conventional ...
Jul 28, 2026
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